A333 Gr 3 Low Temperature Carbon Steel Pipes
Dec 05, 2025
What is A333 GR3 Pipe
A333GR3 Cryogenic Steel Pipe is a seamless pipe specifically engineered for extreme low-temperature service, delivering exceptional cryogenic resistance and superior mechanical properties. This pipe maintains stable operation within ultra-low temperatures ranging from -45°C to -195°C without significant embrittlement or fracture. These characteristics make A333GR3 pipes widely applicable in liquefied natural gas (LNG) and other cryogenic fluid transportation systems.
A333 GR3 seamless and welded carbon and alloy steel pipe for use in low temperatures Specification
| Chemical Composition and Mechanical Property For ASTM A333 | |||||||||
| Steel Grade | Chemcial Composition | Mechanical performance | |||||||
| C(Max) | Si(Max) | Mn | P(Max) | S(Max) | Tensile strenght(Min) | Yield Strenght (Min) |
|||
| psi | Mpa | psi | Mpa | ||||||
| Grade 3 | 0.19 | 0.18-0.37 | 0.31-0.64 | 0.025 | 0.025 | 65000 | 450 | 35000 | 240 |
| Steel Grade | Impact Temperature Requirement For ASTM A333 | |
| ℉ | ℃ | |
| Grade 3 | -150 | -100 |
Applications
Petrochemical Industry:
In oil and gas extraction, transportation, and processing, low-temperature environments are common. ASTM A333 Gr3 seamless cryogenic pipes transport cryogenic liquid hydrocarbons, refrigerants, and other media, ensuring safe and stable operations. For instance, they are used in LNG liquefaction plants for cryogenic piping systems, enabling efficient natural gas transfer at ultra-low temperatures.
Refrigeration Industry:
As critical components in refrigeration equipment (e.g., cold storage facilities, freezing units), these pipes withstand extreme cold (down to -195°C) due to their exceptional low-temperature performance, ensuring uninterrupted system functionality.
Energy Sector:
Vital for energy storage and transport infrastructure, such as LNG storage tank connecting pipelines. ASTM A333 Gr3 pipes provide reliable low-temperature integrity, safeguarding secure energy storage and transportation.
Test and inspection
Destructive testing such as hardness, fracture and fatigue test
Non-destructive testing such as radiography, ultrasonic, hydrostatic, etc.
Dimensional and visual inspection testing
Tensile test
Packaging and shipping
1.Large Diameter: Beveled ends according to ANSI B16.25 with plastic caps, black painted surface, loose packing
2.Small Diameter: Below 2" straight ends, over 2" beveled ends according to ANSI B16.25 with plastic caps, black painted surface, hexagonal bundled, wrapped with woven bags.
